Watch: Arrow "Penance" Clip

Oliver (Stephen Amell) and Lyla (guest star Audrey Marie Anderson) team up on a secret mission for Diggle (David Ramsey). Felicity (Emily Bett Rickards) finds out and disapproves of the plan and opts to stay behind. When Tobias Church (guest star Chad L. Coleman) launches a deadly assault against the city, Felicity must decide if she wants to send the recruits out sans the Green Arrow. Dermott Downs directed the episode written by Brian Ford Sullivan & Oscar Balderrama (#504). Original airdate 10/26/2016.